Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0ac6e0fa79b0b21…

MALICIOUS

PDF

46.1 KB Created: 2020-09-03 13:41:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73be94fc09f6aa0938d9350d9b1591e2 SHA-1: ca62545f2f8b57c2565261c870193760eaf5d581 SHA-256: d0ac6e0fa79b0b21f6fd9dec4d14faef3a7e4ffbe099edc6c723043205529412
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, identified as a PDF SEO link farm. One of these links, 'https://ttraff.me/wix?keyword=minecraft+windows+10+edition++mac', is flagged as a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites, likely for phishing or to download further malware. No scripts were extracted, and the document body was heavily obfuscated.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.me/wix?keyword=minecraft+windows+10+edition++mac
    • https://static.usrfiles.com/ugd/6f5f23_5ac9df3709d34c81a349e065c694399d.pdf
    • https://static.usrfiles.com/ugd/b8c837_fd134cce73ed48b3b14e5292415ba184.pdf
    • https://static.usrfiles.com/ugd/09c3c7_04e01e1d16674e6faec461c26ae76847.pdf
    • https://static.usrfiles.com/ugd/740d8c_593d74a0f2cc4d6bbc92388b90155871.pdf
    • https://static.usrfiles.com/ugd/bae363_c343d97b0cf941308f2a81467667a34d.pdf
    • https://cdn.shopify.com/s/files/1/0439/8658/3710/files/43482526586.pdf
    • https://cdn.shopify.com/s/files/1/0430/7917/2257/files/photoshop_cs5_cracks.pdf
    • https://cdn.shopify.com/s/files/1/0428/5169/6796/files/repekagelokerafazobete.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5351/files/contraccion_isometrica.pdf
    • https://static.usrfiles.com/ugd/73f3b0_0f43a06321d747398b62bff07227cad5.pdf
    • https://static.usrfiles.com/ugd/1cc777_e255112fef664bf59bc4a2eb4511f89f.pdf
    • https://static.usrfiles.com/ugd/e73fea_a16f7a2bdf8d403780634be496a8b473.pdf
    • https://static.usrfiles.com/ugd/5360f8_723e74a02a3344458397efa16d31ba36.pdf
    • https://static.usrfiles.com/ugd/6d59ab_d2c326bdfd7d4906be304eb63321f38c.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007580.bin
eca839c58cdab8147bc16a32a151a27212c99cd203da4200e7df96be4da538b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7580 5428 bytes
font_01_sfnt_off000087ff.bin
2c160dd45598cd56b715bd7196acc78a7242afad165e0e0e114812d91a4c858b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87FF 10560 bytes

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